<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
	function test() {
		alert("123");
		try{
			throw "abc";
		}catch(err){
			alert(err);
		}
	}
</script>
</head>
<body>
	<input type="button" value="Click" onclick="test()" />
</body>
</html>